Conjunctivitis (Pink Eye)

Author: OncoLink Team
Content Contributor: Allyson Van Horn, MPH
Last Reviewed: July 31, 2024

What is conjunctivitis?

Conjunctivitis, often called “pink eye," is inflammation (swelling) or redness of the membrane that covers the eye. Some chemotherapy medications may increase the risk of conjunctivitis. Radiation for some head and neck cancers may also cause conjunctivitis when the eyes are part of the area being treated.

Signs of conjunctivitis are:

  • The whites of the eye(s) are reddened.
  • Redness or swelling of the eyelids.
  • Itchy, scratchy, or watery eyes.
  • Discharge from the eye(s).
  • Photophobia (light sensitivity).

How is conjunctivitis managed?

Most conjunctivitis symptoms go away without treatment. If a bacterial infection causes the conjunctivitis, your provider may order antibiotic eye drops or ointment for you. Wash your hands often, especially if you touch your eyes. Other ways to help relieve symptoms:

  • Try to avoid touching or rubbing your eyes.
  • Gently wipe your eye with a warm, wet cloth to remove discharge.
  • Close your eyes and put cool compresses on them. Do not wear contact lenses if you have conjunctivitis.
  • Thoroughly clean contact lenses before reusing them.

When should I call my care team?

Call your care provider if you have any of the following:

  • Sudden eye pain.
  • Loss of vision in either eye.
  • Yellow, green, or blood-tinged discharge from your eye, may suggest infection.

Agustoni F, Platania M, Vitali M, Zilembo N, Haspinger E, Sinno V, et al. Emerging toxicities in the treatment of non-small cell lung cancer: ocular disorders. Cancer treatment reviews. 2014;40(1):197-203.

Centers for Disease Control (2024). How To Treat Pink Eye

Kheir WJ, Sniegowski MC, El-Sawy T, Li A, Esmaeli B. Ophthalmic complications of targeted cancer therapy and recently recognized ophthalmic complications of traditional chemotherapy. Survey of ophthalmology. 2014;59(5):493-502

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